java.lang.UnsupportedClassVersionError: org/apache/felix/fileinstall/internal/FileInstall : Unsupported major.minor version 51.0

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    Root Cause Analysis

    1. java.lang.UnsupportedClassVersionError

      org/apache/felix/fileinstall/internal/FileInstall : Unsupported major.minor version 51.0

      at java.lang.ClassLoader.defineClass1()
    2. Java RT
      ClassLoader.defineClass
      1. java.lang.ClassLoader.defineClass1(Native Method)
      2. java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
      3. java.lang.ClassLoader.defineClass(ClassLoader.java:615)
      3 frames